docs: def delete_differ_record(old_image, durable_model):
      """Handles a DynamoDB DELETE event type -- For the Differ."""
      data = {}
      for item in old_image:
          data[item] = DESER.deserialize(old_image[item])
  
      data['configuration'] = {}
      # we give our own timestamps for TTL deletions
      del data['eventTime']
      durable_model(**data).save()
      LOG.debug('[+] Adding deletion marker.')